Designed for use as a combined detector, amplifier, and automatic-volume-control tube in radio receivers. Manufactures Raytheon SKU: 6SQ7GT New old stock * No longer available for export.
Designed for use as a combined detector, amplifier, and automatic-volume-control tube in radio receivers. Manufactures RCA, Tung-Sol, GE, Raytheon, Sylvania,Philco, Westinghouse SKU: 6SQ7 New old stock * No longer available for export.
Early 6SN7GT (CKR-6SN7GT) has the WWII era blacked glass. These are military grade tubes and are guaranteed to improve the sound of your system. New Old Stock (Marked with E3) No longer available for export MFR: RCA (US Navy) SKU: 6SN7GTB-RCA-BG